CN206570181U - Dehydration device with spiral filtration face - Google Patents
Dehydration device with spiral filtration face Download PDFInfo
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- CN206570181U CN206570181U CN201720182302.4U CN201720182302U CN206570181U CN 206570181 U CN206570181 U CN 206570181U CN 201720182302 U CN201720182302 U CN 201720182302U CN 206570181 U CN206570181 U CN 206570181U
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- spiral filtration
- filtration face
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Abstract
The utility model discloses a kind of dehydration device with spiral filtration face, rotating shaft including housing and in housing, the housing is provided with sludge inlet and drier outlet, the rotating shaft includes first body of rod with delivery port, flow-guiding channel is provided with inside first body of rod, first body of rod bar wall is provided with the pod apertures of bar wall；The outer wall of first body of rod is provided with spiral filtration face, delivery port direction of the volume along the rotating shaft between the spiral filtration face and housing is gradually reduced, dehydrated raw material flows through pod apertures, flow-guiding channel successively through the liquid obtained by the contracting of spiral filtration face pressure and filtering, last to be discharged from delivery port, dehydrated raw material is discharged through the siccative obtained by the contracting of spiral filtration face pressure and retention from drier outlet.Spiral filtration face is in the spiral distribution extended along rotating shaft, significantly extension dehydrated raw material and the contact area in spiral filtration face, so as to be obviously improved dewatering efficiency.
Description
Technical field
The utility model is related to sludge dewatering technical field, in particular to the dehydration device with spiral filtration face.
Background technology
Existing sludge dewatering technology mainly has following three kinds：1) Thermal dehydration：Dried using thermals source such as heat smoke, vapours
Roasting sludge, makes moisture evaporation in sludge, reduces sludge moisture content.Sludge moisture content drops to less than 30%, profit after Thermal dehydration
In later use and disposal, but investment and operating cost are very high, and energy utilization rate is low.2) mechanical dehydration (plate and frame sludge dewatering
Machine, belt mud dewatering equipment, centrifugal sludge dewatering machine, Die Shi sludge dewatering equipments, spiral pressing dehydrator etc.)：It is former using extruding
Reason forces the moisture in extrusion sludge.The investment of mechanical dehydration is small, and device is simple to operation, but can not remove and combine water, through passing
The moisture percentage in sewage sludge of system mechanical dehydration method processing still has 80% or so, it is impossible to meet the requirement of later use and landfill；3) change
Learn conditioning+diaphragm plate frame：A large amount of quick limes, molysite are first added, additive quality accounts for more than the 20% of sludge butt gross mass,
Then add, flocculated colloid, albumen etc., mechanical dehydration is carried out subsequently into diaphragm plate frame.Required device simple, can contain sludge
Water rate is controlled 60% or so；But because addition object amount accounts for sludge butt more than 20%, anti-increasing does not drop in sludge quantity, after adding
Continuous device processing load and cost of transportation, reduce the calorific value of sludge, are unfavorable for the processing methods such as incineration.
Mechanical dehydration is conventional dewatering, wherein, spiral pressing dehydrator is a kind of conventional mechanical dehydration device,
The rotating shaft of spiral pressing dehydrator and helical blade are arranged in the cylinder being made up of filter screen, from the entrance of dehydrated raw material to outlet
Volume between direction helical blade and cylinder inner wall is tapered into so that sludge is also gradually compressed.Sludge is made by compression
In solid and liquid separation, after the mesh that liquid passes through filter screen, dewaterer is flowed to through the flow-guiding channel between housing and cylinder
The liquid collection trough heel row of lower section is to machine exterior.
Because the specific surface area of inner walls is limited, therefore ratio of the filter area maximum again smaller than inner walls of filter cylinder
A big chunk moisture in surface area, therefore sludge is difficult to contact with filter cylinder, and the time of contact is very of short duration, therefore gained
The water content of dry mud is higher, and dewatering efficiency is poor.
Utility model content
Main purpose of the present utility model is to provide a kind of spiral filtration face-electro-osmosis composite dewatering device, to solve
The problem of dewatering efficiency that dehydration device of the prior art is present is low.
To achieve these goals, the utility model provides a kind of dehydration device with spiral filtration face, including shell
Body and the rotating shaft in housing, the housing are provided with sludge inlet and drier outlet, and the rotating shaft includes having delivery port
First body of rod, be provided with flow-guiding channel inside first body of rod, first body of rod bar wall is provided with the water conservancy diversion of bar wall
Hole；The outer wall of first body of rod is provided with spiral filtration face, and the volume between the spiral filtration face and housing is along described turn
The delivery port direction of axle is gradually reduced, and dehydrated raw material flows through water conservancy diversion successively through the liquid obtained by the contracting of spiral filtration face pressure and filtering
Hole, flow-guiding channel, are finally discharged from delivery port, and dehydrated raw material goes out through the siccative obtained by the contracting of spiral filtration face pressure and retention from siccative
Mouth discharge.
As the further improvement of the above-mentioned dehydration device with spiral filtration face, the spiral filtration face includes relative set
The first filtering surface and the second filtering surface put and the cavity being formed between the first filtering surface and the second filtering surface, the cavity with
The pod apertures conducting, dehydrated raw material flows through cavity, pod apertures through the liquid obtained by the contracting of spiral filtration face pressure and filtering, led successively
Circulation road, is finally discharged from delivery port.
As the further improvement of the above-mentioned dehydration device with spiral filtration face, the rotating shaft also includes second body of rod,
The outer wall of second body of rod is provided with the first helical blade.
It is used as the further improvement of the above-mentioned dehydration device with spiral filtration face, the first helical-blade of the enclosure interior
The rotation space of piece is in cylinder；The pitch of first helical blade is more than the pitch in the spiral filtration face and/or described
The external diameter of first helical blade is more than the external diameter in the spiral filtration face.
It is used as the further improvement of the above-mentioned dehydration device with spiral filtration face, in addition to electricity applying system；The power-up
System includes anode connector, positive plate and positive terminal, and the anode connector is connected with rotating shaft, and the positive plate is located in housing
Wall, the positive terminal is connected with positive plate and runs through housing.
As the further improvement of the above-mentioned dehydration device with spiral filtration face, the positive plate and spiral filtration face phase
The mating surface of cooperation is provided with insulating barrier；The distance between the external diameter and insulating barrier in the spiral filtration face are 8-12mm.
As the further improvement of the above-mentioned dehydration device with spiral filtration face, the inner surface in the spiral filtration face is set
There is support flow-guiding screen.
As the further improvement of the above-mentioned dehydration device with spiral filtration face, first body of rod is provided with helical form
Projection, the raised side be connected with the support flow-guiding screen, the raised opposite side and the spiral filtration face company
Connect.
It is used as the further improvement of the above-mentioned dehydration device with spiral filtration face, the spiral filtration face of the enclosure interior
Rotation space be taper；And/or delivery port direction of the pitch in the spiral filtration face along the rotating shaft is gradually reduced.
As the further improvement of the above-mentioned dehydration device with spiral filtration face, the spiral filtration face is used between metal
Compound porous film；The average pore size of the intermetallic compound porous film is 0.1-1 μm, and thickness is 0.3-0.5mm.
It is used as the further improvement of the above-mentioned dehydration device with spiral filtration face, moisture content≤60% of the siccative；
Turbidity≤1Ntu of the liquid.
There is dehydration device of the present utility model with spiral filtration face spiral filtration face, i.e. filtering surface to be in prolong along rotating shaft
The spiral distribution stretched, can not only be compressed to dehydrated raw material, and have multiple spiral helicine filter elements, therefore mistake
Filtering surface product is dramatically increased, while dehydrated raw material can be in contact with each helical layer filter element in spiral filtration face step by step, is shown
Extension dehydrated raw material and the contact area in spiral filtration face are write, so as to be obviously improved dewatering efficiency.
The utility model is described further with reference to the accompanying drawings and detailed description.What the utility model was added
Aspect and advantage will be set forth in part in the description, and partly will become apparent from the description below, or pass through this practicality
New practice is recognized.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Embodiment, schematic description and description be used for explain the utility model, do not constitute to it is of the present utility model not
Work as restriction.In the accompanying drawings：
Fig. 1 is the schematic diagram of the embodiment 1-2 dehydration device with spiral filtration face.
Fig. 2 is a kind of partial sectional view at A in Fig. 1.
Fig. 3 is another partial sectional view at A in Fig. 1.
Fig. 4 is the schematic diagram of the embodiment 3-4 dehydration device with spiral filtration face.
Fig. 5 is the partial sectional view at B in Fig. 4.
Embodiment
It should be noted that in the case where not conflicting, embodiment, embodiment in the application and therein
Feature can be mutually combined.Let us now refer to the figures and combine herein below and describe the utility model in detail.
In order that those skilled in the art are better understood from the utility model scheme, it is specific below in conjunction with the utility model
Accompanying drawing in embodiment, embodiment, clear to the technical scheme progress in the utility model embodiment, embodiment,
Complete description, it is clear that described embodiment is only the embodiment of the utility model part, rather than whole implementation
Example.Based on the embodiment in the utility model, embodiment, those of ordinary skill in the art are not making creative labor
Every other embodiment, the embodiment obtained on the premise of dynamic, should all belong to the scope of the utility model protection.
In a kind of typical embodiment of the present utility model, the dehydration device with spiral filtration face, including housing 1
With the rotating shaft 2 in housing 1, the housing 1 is provided with dehydrated raw material entrance 11 and drier outlet 12, and the rotating shaft 2 includes
First body of rod 21 with delivery port 20, the inside of first body of rod 21 is provided with flow-guiding channel 210, the bar wall of first body of rod 21
It is provided with the pod apertures 211 of bar wall；The outer wall of first body of rod 21 is provided with spiral filtration face 3, the spiral filtration face 3
Delivery port 20 direction of the volume along the rotating shaft 2 between housing 1 is gradually reduced, and dehydrated raw material is pressed through spiral filtration face 3
Liquid obtained by contracting and filtering flows through pod apertures 211, flow-guiding channel 210 successively, is finally discharged from delivery port 20, dehydrated raw material warp
Spiral filtration face 3 is compressed and the siccative obtained by retaining is discharged from drier outlet 12.
In above-mentioned dehydration device, the filter area in spiral filtration face 3 is far above the circle of the prior art being made up of filter screen
The filter area of cylinder, while the filter element that dehydrated raw material can be step by step with each helical layer shape in spiral filtration face 3 is in contact,
Significantly extension dehydrated raw material and the contact area in spiral filtration face 3, realize and are compressed and filtered simultaneously, so as to be obviously improved dehydration
Efficiency.
In order to realize the technical solution of the utility model, make the volume between the spiral filtration face 3 and housing 1 described in
The direction of delivery port 20 of rotating shaft 2 is gradually reduced, and can be used but is not limited to following structures：Spiral mistake in the housing 1
The rotation space of filtering surface 3 is taper, while making delivery port 20 direction of the pitch in the spiral filtration face 3 along the rotating shaft 2
It is gradually reduced, so that dehydrated raw material is compressed and filtered simultaneously, is obviously improved dewatering efficiency.
Preferably, the inner surface in the spiral filtration face 3 is provided with support flow-guiding screen 4.The support flow-guiding screen 4 is preferably to have
The wire netting of loose structure, one can carry out water conservancy diversion to liquid, and two can be supported to spiral filtration face 3, protect it
Keep steady fixed shape, so that the flow channel volume of liquid keeps stable, the flow resistance of liquid is reduced, so that dehydrated
Journey keeps stable and high efficiency.It is further preferred that first body of rod 21 is provided with spiral helicine raised 212, the projection
212 side is connected with the support flow-guiding screen 4, and raised 212 opposite side is connected with the spiral filtration face 3.Pass through
Projection 212 is set, first body of rod 21 and support flow-guiding screen 4 and the connection area in spiral filtration face 3 can be increased, make the strong of structure
Du Genggao.
Preferably, the spiral filtration face 3 uses intermetallic compound porous film；The intermetallic compound porous film
Average pore size is 0.1-1 μm, and thickness is 0.3-0.5mm.The intermetallic compound porous film has excellent decay resistance, and
And the feature with metal, it can weld and can be very suitable for as electrode as spiral filtration of the present utility model with rotating shaft 2
The filter medium in face 3.
It is of the present utility model preferred embodiment in, the spiral filtration face 3 include be oppositely arranged first filtering
The filtering surface 32 of face 31 and second and the cavity being formed between the first filtering surface 31 and the second filtering surface 32, the cavity with it is described
Pod apertures 211 are turned on, and dehydrated raw material is compressed through spiral filtration face 3 and the liquid obtained by filtering flows through cavity, pod apertures successively
211st, flow-guiding channel 210, are finally discharged from delivery port 20.The spiral filtration face 3 includes two filtering surfaces up and down, therefore can enter one
The filter area in step lifting spiral filtration face 3, lifts dewatering efficiency.
Preferably, the support flow-guiding screen 4 is located at the opposite inner side of the filtering surface 32 of the first filtering surface 31 and second, with
Reach best support effect and water conservancy diversion effect.
Preferably, the filtering surface 32 of the first filtering surface 31 and second uses intermetallic compound porous film；Described
The average pore size of one filtering surface 31 and the second filtering surface 32 is 0.1-1 μm, and thickness is 0.3-0.5mm.The intermetallic compound is more
Pore membrane has excellent decay resistance, and the feature with metal, can weld and can very be fitted as electrode with rotating shaft 2
Together in the filter medium as spiral filtration face 3 of the present utility model.
It is of the present utility model preferred embodiment in, the rotating shaft 2 also include second body of rod 22, second body of rod
22 outer wall is provided with the first helical blade 51.First helical blade 51 of second body of rod 22 using non-porous steel plate can,
Second body of rod 22 uses the solid or hollow body of rod, and it is to realize the precommpression to dehydrated raw material that it, which is acted on, lifts the first bar
The filter efficiency and compression efficiency in spiral filtration face 3 on body 21.
Preferably, the rotation space of the first helical blade 51 inside the housing 1 is in cylinder, first helical-blade
The pitch of piece 51 is more than the pitch in the spiral filtration face 3 and/or the external diameter of first helical blade 51 is more than the spiral
The external diameter of filtering surface 3, is easy to reduce precompressed energy consumption.
It is of the present utility model preferred embodiment in, in addition to electricity applying system；The electricity applying system connects including negative pole
First 61, positive plate 62 and positive terminal 63, the anode connector 61 are connected with rotating shaft 2, and the positive plate 62 is located in housing 1
Wall, the positive terminal 63 is connected with positive plate 62 and through housing 1.
Solid phase in dehydrated raw material all carries slight negative electrical charge for water, but solid phase and surrounding medium solution are used as one
Individual entirety is electroneutral, and in order to balance these negative electrical charges, solid phase surface must carry opposite charges in adsorbing medium solution
Cation.Counter ion in the surrounding medium that the negative electrical charge of solid phase surface is adsorbed with it constitutes electric double layer, under electric field action, Gu
The cation of phase surface absorption carries moisture and moved to the spiral filtration face 3 of negative electrode.Reach behind the surface of spiral filtration face 3, moisture
Spiral filtration face 3 is passed through under the collective effect of the compression stress in electric field force and spiral filtration face 3, sewage sludge solid is by spiral filtration face
3 are intercepted, and dewatering efficiency is further lifted with this.
Preferably, the mating surface that the positive plate 62 is engaged with spiral filtration face 3 is provided with insulating barrier 64；The spiral
The distance between external diameter and insulating barrier 64 of filtering surface 3 are 8-12mm；To reach good insulation effect, the stabilization of electric field is lifted
Property and security.
It should be noted that the above-mentioned compound porous film of metalwork can use Chinese utility model patent
The flexible, porous metal foil that CN104759629A is announced.
The beneficial effects of the utility model are further illustrated with reference to embodiment.
Embodiment 1
The dehydration device with spiral filtration face 3 as depicted in figs. 1 and 2, including housing 1 and turning in housing 1
Axle 2, the housing 1 is provided with dehydrated raw material entrance 11 and drier outlet 12, and the rotating shaft 2 includes first with delivery port 20
The body of rod 21, the inside of first body of rod 21 is provided with flow-guiding channel 210, the bar wall of first body of rod 21 leading provided with bar wall
Discharge orifice 211；The outer wall of first body of rod 21 is provided with spiral filtration face 3, the volume between the spiral filtration face 3 and housing 1
It is gradually reduced along the direction of delivery port 20 of the rotating shaft 2.
Also include support flow-guiding screen 4, first body of rod 21 is provided with spiral helicine raised 212 and second helical blade
52, the gap between the helical blade 52 of projection 212 and second is turned on the pod apertures 211, and the one of the support flow-guiding screen 4
Side is welded with projection 212, and opposite side is welded with second helical blade 52；Led with the support raised 212 side
Drift net 4 is welded, and opposite side is welded with the spiral filtration face 3；The spiral filtration face 3 close to first body of rod 21 side with
Raised 212 welding, opposite side and the second helical blade 52 are welded and formed positioned at the helical blade of spiral filtration face 3 and second
Cavity between 52.Second helical blade 52 is steel plate.The rotation space in the spiral filtration face 3 inside the housing 1 is
Taper, the direction of delivery port 20 of the pitch in the spiral filtration face 3 along the rotating shaft 2 is gradually reduced.The spiral filtration face 3
Using intermetallic compound porous film, the average pore size of the intermetallic compound porous film is 0.1 μm, and thickness is 0.3mm.
In use, make rotating shaft 2 be rotated in given pace, then from dehydrated raw material entrance 11 toward housing 1 in be passed through dehydration former
Material, the liquid obtained by compression and filtering of the dehydrated raw material through spiral filtration face 3 flows through cavity, pod apertures 211, flow-guiding channel successively
210, finally discharged from delivery port 20；Wherein, turbidity≤1Ntu of gained liquid, can direct reuse in landscape, water for irrigation.It is de-
Siccative obtained by compression and retention of the water raw material through spiral filtration face 3 is discharged from the drier outlet 12 of the lower section of housing 1；Wherein, institute
The moisture content for obtaining siccative is maintained within 40-60%.
Embodiment 2
The dehydration device with spiral filtration face 3 as shown in figures 1 and 3, including housing 1 and turning in housing 1
Axle 2, the housing 1 is provided with dehydrated raw material entrance 11 and drier outlet 12, and the rotating shaft 2 includes first with delivery port 20
The body of rod 21, the inside of first body of rod 21 is provided with flow-guiding channel 210, the bar wall of first body of rod 21 leading provided with bar wall
Discharge orifice 211；The outer wall of first body of rod 21 is provided with spiral filtration face 3, the volume between the spiral filtration face 3 and housing 1
It is gradually reduced along the direction of delivery port 20 of the rotating shaft 2.The spiral filtration face 3 includes the first filtering surface 31 being oppositely arranged
And second filtering surface 32 and the cavity that is formed between the first filtering surface 31 and the second filtering surface 32, the cavity and the water conservancy diversion
Hole 211 is turned on.
Also include support flow-guiding screen 4, first body of rod 21 is described two convex provided with two spiral helicine raised 212
The gap risen between 212 is turned on the pod apertures 211, and the opposite inner side of two projections 212 is welded with the support flow-guiding screen 4
Connect, outside is welded with the first filtering surface 31 and the second filtering surface 32 respectively.The filtering surface 32 of first filtering surface 31 and second
Close to the side of first body of rod 21 and raised 212 welding, opposite side, which is welded to each other, to be integrated and is formed positioned at the first filtering
Cavity between the filtering surface 32 of face 31 and second.The rotation space in the spiral filtration face 3 inside the housing 1 is taper, described
Delivery port 20 direction of the pitch in spiral filtration face 3 along the rotating shaft 2 is gradually reduced.The mistake of first filtering surface 31 and second
Filtering surface 32 uses intermetallic compound porous film, and the average pore size of the intermetallic compound porous film is 0.5 μm, and thickness is
0.4mm。
In use, make rotating shaft 2 be rotated in given pace, then from dehydrated raw material entrance 11 toward housing 1 in be passed through dehydration former
Material, the liquid obtained by compression and filtering of the dehydrated raw material through spiral filtration face 3 flows through cavity, pod apertures 211, flow-guiding channel successively
210, finally discharged from delivery port 20；Wherein, turbidity≤1Ntu of gained liquid, can direct reuse in landscape, water for irrigation.It is de-
Siccative obtained by compression and retention of the water raw material through spiral filtration face 3 is discharged from the drier outlet 12 of the lower section of housing 1；Wherein, institute
The moisture content for obtaining siccative is maintained within 40-60%.
Embodiment 3
The dehydration device with spiral filtration face 3 as shown in Figure 3 and Figure 4, including housing 1 and turning in housing 1
Axle 2, the housing 1 is provided with dehydrated raw material entrance 11 and drier outlet 12, and the rotating shaft 2 includes second body of rod 22 and has
First body of rod 21 at the mouth of a river 20；Second body of rod 22 is solid construction, and its outer wall is provided with the first helical blade 51, first spiral shell
Vane piece 51 is steel plate；The rotation space of the first helical blade 51 inside the housing 1 is in cylinder；First body of rod 21
Inside is provided with flow-guiding channel 210, and its bar wall is provided with the pod apertures 211 of bar wall, and its outer wall is provided with spiral filtration face 3,
Delivery port 20 direction of the volume along the rotating shaft 2 between the spiral filtration face 3 and housing 1 is gradually reduced.The spiral
Filtering surface 3 includes the first filtering surface 31 and the second filtering surface 32 being oppositely arranged and is formed at the first filtering surface 31 and the second filtering
Cavity between face 32, the cavity is turned on the pod apertures 211.The pitch and external diameter of first helical blade 51 are big
Pitch and external diameter in the spiral filtration face 3.
Also include support flow-guiding screen 4, first body of rod 21 is described two convex provided with two spiral helicine raised 212
The gap risen between 212 is turned on the pod apertures 211, and the opposite inner side of two projections 212 is welded with the support flow-guiding screen 4
Connect, outside is welded with the first filtering surface 31 and the second filtering surface 32 respectively.The filtering surface 32 of first filtering surface 31 and second
Close to the side of first body of rod 21 and raised 212 welding, opposite side, which is welded to each other, to be integrated and is formed positioned at the first filtering
Cavity between the filtering surface 32 of face 31 and second.The rotation space in the spiral filtration face 3 inside the housing 1 is taper, described
Delivery port 20 direction of the pitch in spiral filtration face 3 along the rotating shaft 2 is gradually reduced.The mistake of first filtering surface 31 and second
Filtering surface 32 uses intermetallic compound porous film, and the average pore size of the intermetallic compound porous film is 1 μm, and thickness is
0.5mm。
In use, make rotating shaft 2 be rotated in given pace, then from dehydrated raw material entrance 11 toward housing 1 in be passed through dehydration former
Material, dehydrated raw material first passes around the precommpression of the first helical blade 51, is then obtained again after the compression and filtering in spiral filtration face 3
To liquid and siccative, wherein, the liquid flows through cavity, pod apertures 211, flow-guiding channel 210 successively, finally from the row of delivery port 20
Go out, turbidity≤1Ntu of the liquid, can direct reuse in landscape, water for irrigation；The moisture content of gained siccative is maintained at 40-60%
Within.
Embodiment 4
The dehydration device with spiral filtration face 3 as in Figure 3-5, including housing 1 and the rotating shaft 2 in housing 1,
The housing 1 is provided with dehydrated raw material entrance 11 and drier outlet 12, and the rotating shaft 2 includes second body of rod 22 and with delivery port
20 first body of rod 21；Second body of rod 22 is solid construction, and its outer wall is provided with the first helical blade 51, first helical-blade
Piece 51 is steel plate；The rotation space of the first helical blade 51 inside the housing 1 is in cylinder；Inside first body of rod 21
Provided with flow-guiding channel 210, its bar wall is provided with the pod apertures 211 of bar wall, and its outer wall is provided with spiral filtration face 3, described
Delivery port 20 direction of the volume along the rotating shaft 2 between spiral filtration face 3 and housing 1 is gradually reduced.The spiral filtration
Face 3 includes the first filtering surface 31 and the second filtering surface 32 being oppositely arranged and is formed at the first filtering surface 31 and the second filtering surface 32
Between cavity, the cavity turns on the pod apertures 211.The pitch and external diameter of first helical blade 51 are all higher than institute
State the pitch and external diameter in spiral filtration face 3.
Also include support flow-guiding screen 4, first body of rod 21 is described two convex provided with two spiral helicine raised 212
The gap risen between 212 is turned on the pod apertures 211, and the opposite inner side of two projections 212 is welded with the support flow-guiding screen 4
Connect, outside is welded with the first filtering surface 31 and the second filtering surface 32 respectively.The filtering surface 32 of first filtering surface 31 and second
Close to the side of first body of rod 21 and raised 212 welding, opposite side, which is welded to each other, to be integrated and is formed positioned at the first filtering
Cavity between the filtering surface 32 of face 31 and second.The rotation space in the spiral filtration face 3 inside the housing 1 is taper, described
Delivery port 20 direction of the pitch in spiral filtration face 3 along the rotating shaft 2 is gradually reduced.The mistake of first filtering surface 31 and second
Filtering surface 32 uses intermetallic compound porous film, and the average pore size of the intermetallic compound porous film is 1 μm, and thickness is
0.5mm。
Also include making the electricity applying system that the spiral filtration face 3 is negative electrode, the housing 1 is anode.The electricity applying system
Including anode connector 61, positive plate 62 and positive terminal 63, the anode connector 61 is connected with rotating shaft 2, the positive plate 62
In the inwall of housing 1, the positive terminal 63 is connected with positive plate 62 and through housing 1.The positive plate 62 and spiral filtration face 3
The mating surface being engaged is provided with insulating barrier 64；The distance between the external diameter and insulating barrier 64 in the spiral filtration face 3 are 12mm.
In use, being respectively connected the positive terminal 63 and anode connector 61 with positive pole, the negative pole of power supply, then make to turn
Axle 2 in given pace rotate, then from dehydrated raw material entrance 11 toward housing 1 in be passed through dehydrated raw material, dehydrated raw material is first passed around
The precommpression of first helical blade 51, then under electric field action, then after the compression and filtering in spiral filtration face 3 obtains liquid
And siccative, wherein, the liquid flows through cavity, pod apertures 211, flow-guiding channel 210 successively, is finally discharged from delivery port 20, should
Turbidity≤1Ntu of liquid, can direct reuse in landscape, water for irrigation；The moisture content of gained siccative is maintained within 40-60%.
Claims (10)
1. the dehydration device with spiral filtration face, including housing (1) and the rotating shaft (2) in housing (1), the housing
(1) dehydrated raw material entrance (11) and drier outlet (12) are provided with, it is characterised in that：
The rotating shaft (2) includes being provided with water conservancy diversion inside first body of rod (21) with delivery port (20), first body of rod (21)
Passage (210), first body of rod (21) the bar wall is provided with the pod apertures (211) of bar wall；
The outer wall of first body of rod (21) is provided with spiral filtration face (3), between the spiral filtration face (3) and housing (1)
Delivery port direction of the volume along the rotating shaft (2) is gradually reduced, and gained is compressed and filtered to dehydrated raw material through spiral filtration face (3)
Liquid flow through pod apertures (211), flow-guiding channel (210) successively, finally from delivery port (20) discharge, dehydrated raw material is through spiral mistake
Siccative obtained by filtering surface (3) compression and retention is discharged from drier outlet (12).
2. there is the dehydration device in spiral filtration face as claimed in claim 1, it is characterised in that：The spiral filtration face (3)
Including the first filtering surface (31) and the second filtering surface (32) that are oppositely arranged and be formed at the first filtering surface (31) and second filtering
Cavity between face (32), the cavity and the pod apertures (211) are turned on, dehydrated raw material through spiral filtration face (3) compression and
Liquid obtained by filtering flows through cavity, pod apertures (211), flow-guiding channel (210) successively, is finally discharged from delivery port (20).
3. there is the dehydration device in spiral filtration face as claimed in claim 1, it is characterised in that：The rotating shaft (2) also includes
Second body of rod (22), the outer wall of second body of rod (22) is provided with the first helical blade (51).
4. there is the dehydration device in spiral filtration face as claimed in claim 3, it is characterised in that：Housing (1) inside
The rotation space of first helical blade (51) is in cylinder；The pitch of first helical blade (51) is more than the spiral filtration
The external diameter of the pitch in face (3) and/or first helical blade (51) is more than the external diameter of the spiral filtration face (3).
5. there is the dehydration device in spiral filtration face as claimed in claim 1, it is characterised in that：Also include electricity applying system；Institute
Stating electricity applying system includes anode connector (61), positive plate (62) and positive terminal (63), the anode connector (61) and rotating shaft (2)
Connection, the positive plate (62) is located at housing (1) inwall, and the positive terminal (63) is connected with positive plate (62) and through housing
(1)。
6. there is the dehydration device in spiral filtration face as claimed in claim 5, it is characterised in that：The positive plate (62) and spiral shell
It is threaded through the mating surface that filtering surface (3) is engaged and is provided with insulating barrier (64)；The external diameter of the spiral filtration face (3) and insulating barrier (64)
The distance between be 8-12mm.
7. the dehydration device with spiral filtration face as described in one of claim 1-6, it is characterised in that：The spiral filtration
The inner surface in face (3) is provided with support flow-guiding screen (4).
8. there is the dehydration device in spiral filtration face as claimed in claim 7, it is characterised in that：On first body of rod (21)
Provided with spiral helicine raised (212), the side of the projection (212) is connected with the support flow-guiding screen (4), the projection
(212) opposite side is connected with the spiral filtration face (3).
9. the dehydration device with spiral filtration face as described in one of claim 1-6, it is characterised in that：The housing (1)
The rotation space in internal spiral filtration face (3) is taper；And/or the pitch of the spiral filtration face (3) is along the rotating shaft
(2) delivery port (20) direction is gradually reduced.
10. the dehydration device with spiral filtration face as described in one of claim 1-6, it is characterised in that：The spiral mistake
Filtering surface (3) uses intermetallic compound porous film；The average pore size of the intermetallic compound porous film is 0.1-1 μm, thickness
For 0.3-0.5mm；Moisture content≤60% of the siccative；Turbidity≤1Ntu of the liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865925A (en) * | 2017-02-28 | 2017-06-20 | 成都易态科技有限公司 | Dehydration device with spiral filtration face |
| CN108483766A (en) * | 2018-05-22 | 2018-09-04 | 江苏和顺环保有限公司 | A kind of new type ultrasonic water treatment facilities and its implementation |
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2017
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865925A (en) * | 2017-02-28 | 2017-06-20 | 成都易态科技有限公司 | Dehydration device with spiral filtration face |
| CN106865925B (en) * | 2017-02-28 | 2023-05-09 | 成都易态科技有限公司 | Dewatering device with spiral filtering surface |
| CN108483766A (en) * | 2018-05-22 | 2018-09-04 | 江苏和顺环保有限公司 | A kind of new type ultrasonic water treatment facilities and its implementation |
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